#author("2024-01-17T07:07:22+00:00","default:iseki","iseki") #author("2024-01-17T08:48:43+00:00","default:iseki","iseki") * DKIM - メールの送信者認証 - https://www.rem-system.com/dkim-postfix04/ ** opendkim dnf -y install opendkim opendkim-tools mkdir -p /etc/opendkim/keys/jogrid.net cd /etc/opendkim/keys/jogrid.net chown opendkim: . opendkim-genkey -D /etc/opendkim/keys/jogrid.net -d jogrid.net -s 240117 # 何でも良いが習慣的に日付 - 240117.txt の内容を DNSに設定 _adsp._domainkey 1M IN TXT "dkim=unknown" #br